Factory speedometer gears
Thread Starter
Junior Member
Joined: Oct 2024
Posts: 20
Likes: 2
Car: 89 formula firebird
Engine: L03 with ported 081 heads/exhaust
Transmission: 700r4
Axle/Gears: 2.73 open
Factory speedometer gears
I apologize if this has been mulled over but I never have any luck finding exactly what im looking for sometimes in the forums. Im curious what an l03, 700r4, with 2.73 gears might have for factory speedometer gears
Joined: Dec 2004
Posts: 16,751
Likes: 995
From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: Factory speedometer gears
https://www.thirdgen.org/forums/tech...libration.html
might
I think I’ve seen Vss gear charts on tgo
might
I think I’ve seen Vss gear charts on tgo Joined: Dec 2004
Posts: 16,751
Likes: 995
From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Thread Starter
Junior Member
Joined: Oct 2024
Posts: 20
Likes: 2
Car: 89 formula firebird
Engine: L03 with ported 081 heads/exhaust
Transmission: 700r4
Axle/Gears: 2.73 open
Re: Factory speedometer gears
Those 2 links were very helpful. I know that a 15 and 41 tooth setup will work for the 3.42 swap im doing. Just wanted to see if I had either of those already because yellow 41 tooth gears are getting hard to find for my particular vss (90-92).
Joined: Oct 2001
Posts: 12,215
Likes: 1,140
From: Il
Car: 1989-92 FORMULA350 305 92 Hawkclone
Engine: 4++,350 & 305 CIs
Transmission: 700R4 4800 vig 18th700R4 t56 ZF6 T5
Axle/Gears: 3.70 9"ford alum chunk,dana44,9bolt
Re: Factory speedometer gears
I have a low mile set from a 92 gta. Had 305 tpi auto and aluminum drum limited slip 273 rear gear. Still have the rear and speedo gears.
Thread Starter
Junior Member
Joined: Oct 2024
Posts: 20
Likes: 2
Car: 89 formula firebird
Engine: L03 with ported 081 heads/exhaust
Transmission: 700r4
Axle/Gears: 2.73 open
Re: Factory speedometer gears
Just as a reference, it appears that the gears i had in my car for 2.73 gears were a 38t and 17t.
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